Method of forming a sewing machine hook assembly
US4486940A · kind A · utility
2Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1982 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | Nov 18, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/49
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method is disclosed for fabricating and assembling a sewing machine hook shaft and hook body by which the required critically accurate shapes may be attained in a particularly cost effective manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.